Question 871278: HELP PLEASE..
1. Find the sum.
[-8 -1 6] [-1 0 6]
[0 8 3] + [-2 6 -2]
2. Given A=[3 2 5] C= [2 -1 8], find B if A+B=C.
[4 7 3] [5 0 3]
3. Given D= [4 0 -2] and E is the additive inverse of D. What is E?
[2 3 4]
[5 -7 6]
4. Find the values of the variables.
[15 8] - [2 5] = [13 3]
[4x 0] [x 3y+6] [12 4y+8]
a.x=-4 and y=2
b.x=5 and y=-1
c.x=4 and y=-2
d.x=-5 and y=1
